* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body,
#app {
    width: 100%;
    height: 100%;
    background-color: #efebe9;
}

#app {
    display: flex;
    flex-direction: column;
}

.header {
    height: 56px;
    border-bottom: 1px solid #e9e9e9;
    line-height: 56px;
    background-color: #fff;
    box-shadow: 0 2px 5px #ccc;
    z-index: 10;
}

.header > h2 {
    margin-left: 20px;
}

.header > h2 > .ivu-tag {
    margin-left: 20px;
}

.main {
    flex: 1;
    overflow-y: scroll;
}

.main .ivu-card {
    width: 800px;
    margin: 10px auto;
}

.ivu-radio-group > label {
    width: 50%;
    margin: 5px 0;
    padding-left: 10px;
}

.topic > .btns {
    margin: 50px;
    display: flex;
    justify-content: center;
}

.result {
    margin: 50px auto;
    width: 800px;
    background: #fff;
    padding: 20px;
}

.result > h2 {
    text-align: center;
    line-height: 50px;
}

.result > .btns {
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
}